A 30 kg nugget of Onganja copper is returning home to Namibia for posterity.
The Onganja mining district is situated in Namibia about 80 km NE of Windhoek, near the town of Seeis. Copper and molybdenite ores were mined there for many years, but for mineral collectors Onganja was particularly famous for its cuprite and malachite specimens.
In very early times local Ovambos travelled up to 500 km south from their homeland to mine copper in the Onganja area. They smelted the copper ores (chalcocit...
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